▎ 摘　　要

NOVELTY - The utility model claims a light weight passenger cabin front enclosure sound insulation pad structure, comprising a base layer, further comprising a sound insulation mechanism, one side of the surface of the base layer is provided with a sound insulation mechanism, the sound insulation mechanism comprises a sound absorbing layer, a cavity and a filling layer, one side of the surface of the base layer is adhered with a sound absorbing layer and the base layer and the sound absorbing layer is provided with a cavity, the cavity is filled with a filling layer, the filling layer is made of graphene oxide aerogel, due to the porous tunable honeycomb structure, the gas gel light, the density is very low, with strong sound energy dissipation capability, the cavity structure is matched with the filling layer to replace the sound insulation layer structure with the maximum weight ratio in the sound insulation material, under the premise of ensuring silencing and sound insulation effect, it can further reduce the weight of the sound insulation material.